package tk.uodrad.apex.project.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import tk.uodrad.apex.project.ex.ServiceException;
import tk.uodrad.apex.project.mapper.VehicleMapper;
import tk.uodrad.apex.project.pojo.dto.VehicleAddNewDTO;
import tk.uodrad.apex.project.pojo.dto.VehicleUpdateDTO;
import tk.uodrad.apex.project.pojo.entity.Vehicle;
import tk.uodrad.apex.project.pojo.vo.VehicleListVO;
import tk.uodrad.apex.project.service.VehicleService;
import org.springframework.stereotype.Service;
import tk.uodrad.apex.project.web.ServiceCode;

import java.util.Date;

/**
* @author Administrator
* @description 针对表【car_management】的数据库操作Service实现
* @createDate 2023-04-11 09:21:37
*/
@Service
public class VehicleServiceImpl extends ServiceImpl<VehicleMapper, Vehicle> implements VehicleService{

    @Autowired
    private VehicleMapper vehicleMapper;

    /**
     * 添加单个车辆
     * @param vehicleAddNewDTO 添加车辆DTO
     */
    @Override
    public void save(VehicleAddNewDTO vehicleAddNewDTO) {
        //新建一个Vehicle对象并将传入的DTO复制给Vehicle
        Vehicle vehicle = new Vehicle();
        BeanUtils.copyProperties(vehicleAddNewDTO, vehicle);
        //给people对象赋值创建时间
        vehicle.setGmtCreate(new Date());
        //创建MyBatis-plus提供的Wrappers类下的query()方法
        QueryWrapper<Vehicle> wrapper = Wrappers.query();
        //用eq方法用于判断数据库中是否有license_plate_number等于当前Vehicle的license_plate_number（其他模块一般根据实际情况判断数据是否存在）
        wrapper.eq("license_plate_number", vehicle.getLicensePlateNumber());
        Vehicle selectOne = vehicleMapper.selectOne(wrapper);
        if (selectOne != null) {
            String message = "新增数据失败，当前数据已存在！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_CONFLICT, message);
        }
        //插入数据，并判断是否插入成功
        int rows = vehicleMapper.insert(vehicle);
        if (rows != 1) {
            String message = "服务器忙，请稍后再试！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_INSERT, message);
        }
    }

    /**
     * 根据ID修改车辆
     * @param vehicleUpdateDTO 修改车辆DTO
     */
    @Override
    public void updateById(VehicleUpdateDTO vehicleUpdateDTO) {
        //根据传入的DTO中的ID查询数据库中是否存在该数据
        Vehicle peopleById = vehicleMapper.selectById(vehicleUpdateDTO.getId());
        if (peopleById == null) {
            String message = "修改数据失败，当前数据不存在！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_NOT_FOUND, message);
        }
        //创建一个Vehicle对象，将传入的DTO复制给Vehicle对象
        Vehicle people = new Vehicle();
        BeanUtils.copyProperties(vehicleUpdateDTO, people);
        //给people对象赋值创建时间
        people.setGmtModified(new Date());
        //更新数据，并判断是否更新成功
        int rows = vehicleMapper.updateById(people);
        if (rows != 1) {
            String message = "服务器忙，请稍后再试！";
            log.warn(message);
            throw new ServiceException(ServiceCode.ERROR_UPDATE, message);
        }
    }

    /**
     * 分页查询车辆列表
     * @param pageNum 第几页
     * @param pageSize 每页多少条数据
     * @param communityCode 小区编号
     * @return IPage<VehicleListVO> VehicleListVO分页对象
     */
    @Override
    public IPage<VehicleListVO> list(Integer pageNum, Integer pageSize, String communityCode) {
        Page<VehicleListVO> page = new Page<>(pageNum, pageSize);
        return vehicleMapper.selectPageVo(page, communityCode);
    }
}




